Sole design for a golf club head



FIG. 1 is a bottom plan view thereof; and

FIG. 2 is a front view thereof; and

FIG. 3 is a back view thereof; and

FIG. 4 is a heel end view thereof; and,

FIG. 5 is a toe end view thereof.

The broken line showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design of the sole design for a golf club head, as shown and described. 